Place the chicken thighs into the base of the slow cooker.
Drizzle the olive oil and vinegar over the top.
Season with garlic powder, salt and pepper.
Place the diced red onion, drained diced tomatoes (or cut fresh tomatoes), zucchini slices and mango pieces over top and around the chicken thighs.
Set slow cooker on low and cook for 8 to 10 hours. Dump and run!
Prepare dinner rolls as side dish.
Serve Slow Cooker Mango Chicken with warm dinner rolls.